Auth bypass in Tenda Ac1206
CVE-2026-82693
A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.014 · change: +0.006
Affected products
- Tenda Ac1206 — versions 15.03.06.23
Weakness classification (CWE)
References
- vuldb.com/vuln/397181 (technical-description, vdb-entry)
- vuldb.com/vuln/397181/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82693 (third-party-advisory)
- vuldb.com/submit/894235 (third-party-advisory)
- github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/ma… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-82693?
- CVE-2026-82693 is a critical-severity vulnerability in Tenda Ac1206, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-08-31.
- How severe is CVE-2026-82693?
- Critical severity. CVSS v3 base score is 10.0 out of 10.